./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8d31f386 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd7e6f07fd31ff4d383b67cf710ae9a054542003 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-05 07:57:46,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-05 07:57:46,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-05 07:57:46,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-05 07:57:46,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-05 07:57:46,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-05 07:57:46,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-05 07:57:46,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-05 07:57:46,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-05 07:57:46,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-05 07:57:46,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-05 07:57:46,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-05 07:57:46,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-05 07:57:46,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-05 07:57:46,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-05 07:57:46,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-05 07:57:46,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-05 07:57:46,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-05 07:57:46,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-05 07:57:46,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-05 07:57:46,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-05 07:57:46,629 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-05 07:57:46,630 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-05 07:57:46,631 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-05 07:57:46,633 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-05 07:57:46,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-05 07:57:46,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-05 07:57:46,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-05 07:57:46,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-05 07:57:46,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-05 07:57:46,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-05 07:57:46,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-05 07:57:46,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-05 07:57:46,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-05 07:57:46,643 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-05 07:57:46,643 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-05 07:57:46,644 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-05 07:57:46,644 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-05 07:57:46,645 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-05 07:57:46,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-05 07:57:46,646 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-05 07:57:46,648 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-07-05 07:57:46,695 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-05 07:57:46,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-05 07:57:46,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-05 07:57:46,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-05 07:57:46,696 INFO L138 SettingsManager]: * Use SBE=true [2021-07-05 07:57:46,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-05 07:57:46,697 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-05 07:57:46,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-05 07:57:46,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-05 07:57:46,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-05 07:57:46,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-05 07:57:46,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-05 07:57:46,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-05 07:57:46,697 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-05 07:57:46,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-05 07:57:46,698 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-05 07:57:46,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-05 07:57:46,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-05 07:57:46,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-05 07:57:46,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-05 07:57:46,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 07:57:46,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-05 07:57:46,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-05 07:57:46,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-05 07:57:46,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-05 07:57:46,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-05 07:57:46,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-05 07:57:46,699 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-05 07:57:46,699 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd7e6f07fd31ff4d383b67cf710ae9a054542003 [2021-07-05 07:57:47,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-05 07:57:47,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-05 07:57:47,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-05 07:57:47,048 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-05 07:57:47,049 INFO L275 PluginConnector]: CDTParser initialized [2021-07-05 07:57:47,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2021-07-05 07:57:47,107 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/479eb93ea/a560fa06c5bc4e5685cf9b6a9077c59b/FLAG2bec3284e [2021-07-05 07:57:47,517 INFO L306 CDTParser]: Found 1 translation units. [2021-07-05 07:57:47,519 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2021-07-05 07:57:47,526 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/479eb93ea/a560fa06c5bc4e5685cf9b6a9077c59b/FLAG2bec3284e [2021-07-05 07:57:47,913 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/479eb93ea/a560fa06c5bc4e5685cf9b6a9077c59b [2021-07-05 07:57:47,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-05 07:57:47,921 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-05 07:57:47,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-05 07:57:47,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-05 07:57:47,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-05 07:57:47,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 07:57:47" (1/1) ... [2021-07-05 07:57:47,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b86306c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 07:57:47, skipping insertion in model container [2021-07-05 07:57:47,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.07 07:57:47" (1/1) ... [2021-07-05 07:57:47,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-05 07:57:47,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-05 07:57:48,045 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c[545,558] [2021-07-05 07:57:48,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 07:57:48,064 INFO L203 MainTranslator]: Completed pre-run [2021-07-05 07:57:48,075 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c[545,558] [2021-07-05 07:57:48,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-05 07:57:48,097 INFO L208 MainTranslator]: Completed translation [2021-07-05 07:57:48,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 07:57:48 WrapperNode [2021-07-05 07:57:48,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-05 07:57:48,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-05 07:57:48,098 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-05 07:57:48,098 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-05 07:57:48,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 07:57:48" (1/1) ... [2021-07-05 07:57:48,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 07:57:48" (1/1) ... [2021-07-05 07:57:48,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-05 07:57:48,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-05 07:57:48,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-05 07:57:48,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-05 07:57:48,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 07:57:48" (1/1) ... [2021-07-05 07:57:48,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 07:57:48" (1/1) ... [2021-07-05 07:57:48,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 07:57:48" (1/1) ... [2021-07-05 07:57:48,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 07:57:48" (1/1) ... [2021-07-05 07:57:48,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 07:57:48" (1/1) ... [2021-07-05 07:57:48,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 07:57:48" (1/1) ... [2021-07-05 07:57:48,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 07:57:48" (1/1) ... [2021-07-05 07:57:48,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-05 07:57:48,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-05 07:57:48,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-05 07:57:48,196 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-05 07:57:48,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 07:57:48" (1/1) ... [2021-07-05 07:57:48,202 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-05 07:57:48,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 07:57:48,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-07-05 07:57:48,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-07-05 07:57:48,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-05 07:57:48,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-05 07:57:48,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-05 07:57:48,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-05 07:57:48,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2021-07-05 07:57:48,563 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-05 07:57:48,564 INFO L299 CfgBuilder]: Removed 21 assume(true) statements. [2021-07-05 07:57:48,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 07:57:48 BoogieIcfgContainer [2021-07-05 07:57:48,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-05 07:57:48,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-05 07:57:48,567 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-05 07:57:48,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-05 07:57:48,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.07 07:57:47" (1/3) ... [2021-07-05 07:57:48,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffbc7b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 07:57:48, skipping insertion in model container [2021-07-05 07:57:48,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.07 07:57:48" (2/3) ... [2021-07-05 07:57:48,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffbc7b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.07 07:57:48, skipping insertion in model container [2021-07-05 07:57:48,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 07:57:48" (3/3) ... [2021-07-05 07:57:48,586 INFO L111 eAbstractionObserver]: Analyzing ICFG lcm2_valuebound1.c [2021-07-05 07:57:48,592 INFO L198 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-05 07:57:48,592 INFO L158 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-07-05 07:57:48,634 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 07:57:48,639 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 07:57:48,652 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 07:57:48,664 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 25 states have (on average 1.56) internal successors, (39), 27 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 07:57:48,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-07-05 07:57:48,674 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 07:57:48,675 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 07:57:48,676 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 07:57:48,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 07:57:48,684 INFO L82 PathProgramCache]: Analyzing trace with hash 822857436, now seen corresponding path program 1 times [2021-07-05 07:57:48,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 07:57:48,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530217737] [2021-07-05 07:57:48,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 07:57:48,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 07:57:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 07:57:48,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:48,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:48,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:48,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:48,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 07:57:48,850 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 07:57:48,850 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530217737] [2021-07-05 07:57:48,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530217737] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 07:57:48,851 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 07:57:48,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 07:57:48,853 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319522808] [2021-07-05 07:57:48,867 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 07:57:48,868 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 07:57:48,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 07:57:48,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 07:57:48,884 INFO L87 Difference]: Start difference. First operand has 28 states, 25 states have (on average 1.56) internal successors, (39), 27 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 07:57:48,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 07:57:48,901 INFO L93 Difference]: Finished difference Result 53 states and 74 transitions. [2021-07-05 07:57:48,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 07:57:48,903 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-07-05 07:57:48,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 07:57:48,910 INFO L225 Difference]: With dead ends: 53 [2021-07-05 07:57:48,910 INFO L226 Difference]: Without dead ends: 20 [2021-07-05 07:57:48,913 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 07:57:48,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-07-05 07:57:48,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-07-05 07:57:48,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 07:57:48,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2021-07-05 07:57:48,938 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 17 [2021-07-05 07:57:48,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 07:57:48,938 INFO L442 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2021-07-05 07:57:48,939 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 07:57:48,939 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2021-07-05 07:57:48,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-07-05 07:57:48,940 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 07:57:48,940 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 07:57:48,941 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-05 07:57:48,941 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 07:57:48,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 07:57:48,944 INFO L82 PathProgramCache]: Analyzing trace with hash 2114165096, now seen corresponding path program 1 times [2021-07-05 07:57:48,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 07:57:48,945 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372732954] [2021-07-05 07:57:48,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 07:57:48,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 07:57:48,986 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 07:57:48,988 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1092614027] [2021-07-05 07:57:48,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 07:57:48,989 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 07:57:48,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 07:57:48,993 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-05 07:57:49,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-07-05 07:57:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 07:57:49,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-05 07:57:49,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 07:57:49,134 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,135 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,137 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,139 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,141 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,142 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,143 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,144 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,145 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,145 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,146 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,147 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,147 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,148 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,148 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,149 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,149 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,150 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,151 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,152 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,152 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,153 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,153 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,154 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,154 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,155 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,156 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,157 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,180 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,182 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,183 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,185 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,198 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,204 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,205 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 07:57:49,216 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,217 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 07:57:49,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 07:57:49,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-07-05 07:57:49,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-07-05 07:57:49,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,265 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:49,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-05 07:57:49,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-07-05 07:57:49,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:49,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 07:57:49,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 07:57:49,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 07:57:49,315 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-07-05 07:57:49,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,316 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 07:57:49,319 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 07:57:49,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372732954] [2021-07-05 07:57:49,319 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 07:57:49,319 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092614027] [2021-07-05 07:57:49,320 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1092614027] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 07:57:49,320 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 07:57:49,320 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-05 07:57:49,320 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950835266] [2021-07-05 07:57:49,321 INFO L425 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-05 07:57:49,321 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 07:57:49,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-05 07:57:49,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-05 07:57:49,322 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 07:57:49,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 07:57:49,442 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2021-07-05 07:57:49,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-05 07:57:49,443 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-07-05 07:57:49,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 07:57:49,444 INFO L225 Difference]: With dead ends: 27 [2021-07-05 07:57:49,444 INFO L226 Difference]: Without dead ends: 25 [2021-07-05 07:57:49,444 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.9ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-05 07:57:49,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-07-05 07:57:49,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 22. [2021-07-05 07:57:49,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 07:57:49,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2021-07-05 07:57:49,448 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 17 [2021-07-05 07:57:49,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 07:57:49,448 INFO L442 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2021-07-05 07:57:49,448 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 07:57:49,448 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2021-07-05 07:57:49,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-07-05 07:57:49,449 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 07:57:49,449 INFO L525 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 07:57:49,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-07-05 07:57:49,661 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 07:57:49,661 INFO L374 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 07:57:49,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 07:57:49,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1065279453, now seen corresponding path program 1 times [2021-07-05 07:57:49,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 07:57:49,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838916271] [2021-07-05 07:57:49,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 07:57:49,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 07:57:49,676 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 07:57:49,678 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1637391808] [2021-07-05 07:57:49,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 07:57:49,679 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 07:57:49,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 07:57:49,680 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-05 07:57:49,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-07-05 07:57:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 07:57:49,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-05 07:57:49,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 07:57:49,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,757 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,760 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:49,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-05 07:57:49,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 07:57:49,768 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,770 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-05 07:57:49,772 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,773 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-05 07:57:49,787 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-07-05 07:57:49,791 INFO L147 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size 9 [2021-07-05 07:57:49,793 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-07-05 07:57:49,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 07:57:49,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 07:57:49,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 07:57:49,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,803 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 07:57:49,803 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 07:57:49,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 07:57:49,808 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 07:57:49,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 07:57:49,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 07:57:49,811 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 07:57:49,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 07:57:49,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 07:57:49,813 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,814 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 07:57:49,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 07:57:49,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 07:57:49,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 07:57:49,818 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 07:57:49,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 07:57:49,821 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 07:57:49,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-05 07:57:49,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 07:57:49,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,831 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-05 07:57:49,833 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,835 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-05 07:57:49,861 INFO L142 QuantifierPusher]: treesize reduction 11, result has 62.1 percent of original size [2021-07-05 07:57:49,863 INFO L147 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size 14 [2021-07-05 07:57:49,866 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-07-05 07:57:49,868 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,883 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,885 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,906 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,906 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,908 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,909 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,910 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,911 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,911 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,912 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,913 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,914 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,915 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,916 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,927 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,928 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 07:57:49,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,930 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,931 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,931 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,932 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,943 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,943 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,960 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,960 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,961 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,961 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:49,966 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:49,975 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:49,981 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.9 percent of original size [2021-07-05 07:57:49,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-07-05 07:57:49,985 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-07-05 07:57:49,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,007 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:50,009 INFO L142 QuantifierPusher]: treesize reduction 7, result has 87.3 percent of original size [2021-07-05 07:57:50,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-07-05 07:57:50,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-07-05 07:57:50,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:50,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:50,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:50,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,021 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:50,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:50,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:50,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:50,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:50,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 07:57:50,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 07:57:50,027 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838916271] [2021-07-05 07:57:50,028 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 07:57:50,028 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637391808] [2021-07-05 07:57:50,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637391808] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 07:57:50,028 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 07:57:50,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-05 07:57:50,028 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40161807] [2021-07-05 07:57:50,029 INFO L425 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-05 07:57:50,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 07:57:50,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-05 07:57:50,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-07-05 07:57:50,030 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 07:57:50,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 07:57:50,146 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2021-07-05 07:57:50,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-05 07:57:50,147 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-07-05 07:57:50,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 07:57:50,148 INFO L225 Difference]: With dead ends: 30 [2021-07-05 07:57:50,148 INFO L226 Difference]: Without dead ends: 24 [2021-07-05 07:57:50,150 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 110.1ms TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-07-05 07:57:50,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-07-05 07:57:50,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-07-05 07:57:50,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.0869565217391304) internal successors, (25), 23 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 07:57:50,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2021-07-05 07:57:50,157 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 21 [2021-07-05 07:57:50,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 07:57:50,159 INFO L442 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2021-07-05 07:57:50,159 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 07:57:50,159 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2021-07-05 07:57:50,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-07-05 07:57:50,159 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 07:57:50,160 INFO L525 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 07:57:50,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-07-05 07:57:50,378 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-07-05 07:57:50,379 INFO L374 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 07:57:50,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 07:57:50,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1065339035, now seen corresponding path program 1 times [2021-07-05 07:57:50,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 07:57:50,379 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111430539] [2021-07-05 07:57:50,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 07:57:50,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 07:57:50,393 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 07:57:50,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [820684915] [2021-07-05 07:57:50,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 07:57:50,396 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 07:57:50,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 07:57:50,397 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-05 07:57:50,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-07-05 07:57:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 07:57:50,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-05 07:57:50,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 07:57:50,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:50,459 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:50,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:50,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:50,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:50,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:50,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:50,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:50,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:50,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,468 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:50,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:50,469 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,470 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:50,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-07-05 07:57:50,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-07-05 07:57:50,476 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-05 07:57:50,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-07-05 07:57:50,491 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-07-05 07:57:50,492 INFO L147 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size 9 [2021-07-05 07:57:50,493 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-07-05 07:57:50,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 07:57:50,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 07:57:50,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-07-05 07:57:50,501 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,501 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-05 07:57:50,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-07-05 07:57:50,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-05 07:57:50,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-05 07:57:50,530 INFO L142 QuantifierPusher]: treesize reduction 11, result has 62.1 percent of original size [2021-07-05 07:57:50,531 INFO L147 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size 14 [2021-07-05 07:57:50,532 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-07-05 07:57:50,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,535 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,535 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,547 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,549 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,550 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,550 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,561 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,561 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,563 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,565 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,569 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,570 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,570 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,571 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,571 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,572 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,574 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,576 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 07:57:50,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,578 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,578 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,593 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,594 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,595 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,597 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,597 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,598 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,599 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,600 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-07-05 07:57:50,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,601 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-05 07:57:50,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-05 07:57:50,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-05 07:57:50,613 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,613 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-07-05 07:57:50,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:50,653 INFO L142 QuantifierPusher]: treesize reduction 7, result has 89.4 percent of original size [2021-07-05 07:57:50,653 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-05 07:57:50,654 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-07-05 07:57:50,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:50,694 INFO L142 QuantifierPusher]: treesize reduction 3, result has 97.2 percent of original size [2021-07-05 07:57:50,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 106 [2021-07-05 07:57:50,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-07-05 07:57:50,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:50,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:50,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:50,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:50,723 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:50,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,724 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:50,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:50,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:50,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:50,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 07:57:50,726 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 07:57:50,726 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111430539] [2021-07-05 07:57:50,726 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 07:57:50,727 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820684915] [2021-07-05 07:57:50,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [820684915] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 07:57:50,727 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 07:57:50,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-05 07:57:50,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006963064] [2021-07-05 07:57:50,728 INFO L425 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-05 07:57:50,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 07:57:50,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-05 07:57:50,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-05 07:57:50,729 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 07:57:50,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 07:57:50,902 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2021-07-05 07:57:50,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-05 07:57:50,902 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2021-07-05 07:57:50,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 07:57:50,903 INFO L225 Difference]: With dead ends: 24 [2021-07-05 07:57:50,903 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 07:57:50,904 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 188.8ms TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2021-07-05 07:57:50,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 07:57:50,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 07:57:50,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 07:57:50,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 07:57:50,905 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2021-07-05 07:57:50,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 07:57:50,906 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 07:57:50,906 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 07:57:50,906 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 07:57:50,906 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 07:57:50,910 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 07:57:50,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 07:57:50,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 07:57:50,940 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 07:57:50,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 07:57:51,042 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 07:57:51,043 INFO L765 garLoopResultBuilder]: At program point L56(lines 19 57) the Hoare annotation is: true [2021-07-05 07:57:51,043 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 07:57:51,043 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 07:57:51,043 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 07:57:51,043 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 07:57:51,043 INFO L762 garLoopResultBuilder]: For program point L12(lines 12 15) no Hoare annotation was computed. [2021-07-05 07:57:51,044 INFO L758 garLoopResultBuilder]: At program point L12-2(lines 40 41) the Hoare annotation is: (let ((.cse0 (mod ULTIMATE.start_main_~y~0 4294967296)) (.cse3 (mod ULTIMATE.start_main_~x~0 4294967296)) (.cse2 (mod ULTIMATE.start_main_~a~0 4294967296)) (.cse1 (mod ULTIMATE.start_main_~b~0 4294967296))) (and (<= .cse0 1) (<= 1 .cse0) (<= .cse1 1) (<= .cse2 1) (<= 1 .cse3) (<= .cse3 1) (<= 1 .cse2) (= ULTIMATE.start_assume_abort_if_not_~cond 1) (<= 1 .cse1))) [2021-07-05 07:57:51,044 INFO L762 garLoopResultBuilder]: For program point L12-3(lines 12 15) no Hoare annotation was computed. [2021-07-05 07:57:51,044 INFO L762 garLoopResultBuilder]: For program point L8(lines 8 10) no Hoare annotation was computed. [2021-07-05 07:57:51,044 INFO L762 garLoopResultBuilder]: For program point L8-1(lines 8 10) no Hoare annotation was computed. [2021-07-05 07:57:51,044 INFO L765 garLoopResultBuilder]: At program point L12-5(lines 11 17) the Hoare annotation is: true [2021-07-05 07:57:51,044 INFO L762 garLoopResultBuilder]: For program point L8-2(lines 8 10) no Hoare annotation was computed. [2021-07-05 07:57:51,045 INFO L762 garLoopResultBuilder]: For program point L8-3(lines 8 10) no Hoare annotation was computed. [2021-07-05 07:57:51,045 INFO L762 garLoopResultBuilder]: For program point L8-4(lines 8 10) no Hoare annotation was computed. [2021-07-05 07:57:51,045 INFO L762 garLoopResultBuilder]: For program point L8-5(lines 8 10) no Hoare annotation was computed. [2021-07-05 07:57:51,045 INFO L762 garLoopResultBuilder]: For program point L37-2(lines 37 50) no Hoare annotation was computed. [2021-07-05 07:57:51,045 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 07:57:51,045 INFO L762 garLoopResultBuilder]: For program point L13(lines 13 14) no Hoare annotation was computed. [2021-07-05 07:57:51,045 INFO L762 garLoopResultBuilder]: For program point L13-1(lines 13 14) no Hoare annotation was computed. [2021-07-05 07:57:51,046 INFO L762 garLoopResultBuilder]: For program point L9(line 9) no Hoare annotation was computed. [2021-07-05 07:57:51,046 INFO L762 garLoopResultBuilder]: For program point L9-2(line 9) no Hoare annotation was computed. [2021-07-05 07:57:51,046 INFO L762 garLoopResultBuilder]: For program point L9-4(line 9) no Hoare annotation was computed. [2021-07-05 07:57:51,046 INFO L762 garLoopResultBuilder]: For program point L9-6(line 9) no Hoare annotation was computed. [2021-07-05 07:57:51,046 INFO L762 garLoopResultBuilder]: For program point L9-8(line 9) no Hoare annotation was computed. [2021-07-05 07:57:51,047 INFO L762 garLoopResultBuilder]: For program point L9-10(line 9) no Hoare annotation was computed. [2021-07-05 07:57:51,047 INFO L762 garLoopResultBuilder]: For program point L43(lines 43 49) no Hoare annotation was computed. [2021-07-05 07:57:51,047 INFO L758 garLoopResultBuilder]: At program point L43-2(lines 37 50) the Hoare annotation is: (let ((.cse0 (mod ULTIMATE.start_main_~b~0 4294967296))) (and (<= .cse0 1) (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~u~0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~v~0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~x~0) (<= (mod ULTIMATE.start_main_~x~0 4294967296) 1) (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) (<= 1 (mod ULTIMATE.start_main_~a~0 4294967296)) (= ULTIMATE.start_assume_abort_if_not_~cond 1) (<= 1 .cse0))) [2021-07-05 07:57:51,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-07-05 07:57:51,260 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 07:57:51,261 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 07:57:51,264 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/2) [2021-07-05 07:57:51,266 INFO L328 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION ======== [2021-07-05 07:57:51,267 INFO L329 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mLimitAnalysisTime=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-07-05 07:57:51,267 INFO L330 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-05 07:57:51,268 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 25 states have (on average 1.56) internal successors, (39), 27 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 07:57:51,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-07-05 07:57:51,269 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 07:57:51,269 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 07:57:51,269 INFO L374 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 07:57:51,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 07:57:51,270 INFO L82 PathProgramCache]: Analyzing trace with hash -261260904, now seen corresponding path program 1 times [2021-07-05 07:57:51,270 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 07:57:51,270 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857869436] [2021-07-05 07:57:51,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 07:57:51,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 07:57:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 07:57:51,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,287 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 07:57:51,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 07:57:51,288 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857869436] [2021-07-05 07:57:51,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857869436] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 07:57:51,289 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 07:57:51,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-05 07:57:51,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753651742] [2021-07-05 07:57:51,289 INFO L425 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-05 07:57:51,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 07:57:51,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-05 07:57:51,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 07:57:51,290 INFO L87 Difference]: Start difference. First operand has 28 states, 25 states have (on average 1.56) internal successors, (39), 27 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 07:57:51,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 07:57:51,293 INFO L93 Difference]: Finished difference Result 53 states and 74 transitions. [2021-07-05 07:57:51,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-05 07:57:51,293 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-07-05 07:57:51,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 07:57:51,294 INFO L225 Difference]: With dead ends: 53 [2021-07-05 07:57:51,294 INFO L226 Difference]: Without dead ends: 22 [2021-07-05 07:57:51,294 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-05 07:57:51,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-07-05 07:57:51,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-07-05 07:57:51,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 07:57:51,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2021-07-05 07:57:51,297 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 18 [2021-07-05 07:57:51,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 07:57:51,297 INFO L442 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2021-07-05 07:57:51,297 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 07:57:51,297 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2021-07-05 07:57:51,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-07-05 07:57:51,298 INFO L517 BasicCegarLoop]: Found error trace [2021-07-05 07:57:51,298 INFO L525 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-05 07:57:51,298 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-07-05 07:57:51,298 INFO L374 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] === [2021-07-05 07:57:51,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-05 07:57:51,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1696879877, now seen corresponding path program 1 times [2021-07-05 07:57:51,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-05 07:57:51,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484126860] [2021-07-05 07:57:51,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 07:57:51,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-05 07:57:51,308 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-07-05 07:57:51,308 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [537025142] [2021-07-05 07:57:51,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-05 07:57:51,309 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 07:57:51,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-05 07:57:51,310 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-07-05 07:57:51,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-07-05 07:57:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-05 07:57:51,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-05 07:57:51,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-05 07:57:51,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,362 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,363 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,363 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,364 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,365 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,366 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,366 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,368 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,370 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,370 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,374 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,375 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,382 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,384 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,384 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,385 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,385 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,386 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,387 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,388 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,390 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,391 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,391 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,405 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,407 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,407 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,408 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,408 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,409 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,410 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,411 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,411 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,412 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,412 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,413 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,414 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,414 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,415 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,419 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,420 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,424 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,424 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:51,425 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,425 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-07-05 07:57:51,426 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-07-05 07:57:51,427 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-05 07:57:51,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-07-05 07:57:51,447 INFO L142 QuantifierPusher]: treesize reduction 24, result has 51.0 percent of original size [2021-07-05 07:57:51,448 INFO L147 QuantifierPusher]: treesize reduction 4, result has 84.0 percent of original size 21 [2021-07-05 07:57:51,451 INFO L142 QuantifierPusher]: treesize reduction 4, result has 84.6 percent of original size [2021-07-05 07:57:51,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 07:57:51,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 07:57:51,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 07:57:51,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 07:57:51,461 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 07:57:51,462 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,462 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 07:57:51,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-07-05 07:57:51,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,465 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-07-05 07:57:51,465 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-07-05 07:57:51,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-07-05 07:57:51,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 105 [2021-07-05 07:57:51,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,577 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-07-05 07:57:51,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 07:57:51,581 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,582 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-05 07:57:51,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-07-05 07:57:51,590 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-07-05 07:57:51,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-07-05 07:57:51,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-07-05 07:57:51,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,629 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-07-05 07:57:51,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 07:57:51,631 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,631 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-05 07:57:51,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-07-05 07:57:51,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-07-05 07:57:51,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,641 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,641 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-07-05 07:57:51,642 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-07-05 07:57:51,643 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-07-05 07:57:51,643 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 07:57:51,645 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,646 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-07-05 07:57:51,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-05 07:57:51,671 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,672 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,672 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-07-05 07:57:51,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,693 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,695 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-05 07:57:51,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-07-05 07:57:51,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-07-05 07:57:51,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-07-05 07:57:51,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-07-05 07:57:51,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 108 [2021-07-05 07:57:51,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,708 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,709 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-07-05 07:57:51,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 07:57:51,711 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-05 07:57:51,716 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,717 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-07-05 07:57:51,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-07-05 07:57:51,718 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,719 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-07-05 07:57:51,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-07-05 07:57:51,721 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-07-05 07:57:51,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 07:57:51,725 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,726 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,729 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,731 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,731 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,731 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-07-05 07:57:51,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-07-05 07:57:51,732 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,733 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,733 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-07-05 07:57:51,741 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,744 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-07-05 07:57:51,745 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-05 07:57:51,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-05 07:57:51,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-07-05 07:57:51,747 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-07-05 07:57:51,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-07-05 07:57:51,750 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2021-07-05 07:57:51,750 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 07:57:51,753 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:51,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:51,754 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:53,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:53,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:53,921 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:53,922 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:53,922 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-07-05 07:57:53,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-05 07:57:53,923 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:53,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:53,937 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:53,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:53,943 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:53,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:53,944 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-07-05 07:57:53,945 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-05 07:57:53,945 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:53,945 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:53,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-07-05 07:57:53,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-07-05 07:57:53,947 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:53,947 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:53,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:53,949 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:53,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:53,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:53,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-07-05 07:57:53,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-07-05 07:57:53,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:53,952 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:53,952 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-07-05 07:57:53,954 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-07-05 07:57:53,954 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:53,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:53,981 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-07-05 07:57:53,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-07-05 07:57:53,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-07-05 07:57:53,995 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:53,996 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 111 [2021-07-05 07:57:54,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:54,016 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:54,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:54,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:54,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-05 07:57:54,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:54,018 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:54,018 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:54,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:54,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-05 07:57:54,019 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-05 07:57:54,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-05 07:57:54,020 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-05 07:57:54,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484126860] [2021-07-05 07:57:54,020 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-07-05 07:57:54,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537025142] [2021-07-05 07:57:54,020 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537025142] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-05 07:57:54,020 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-05 07:57:54,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-05 07:57:54,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856763139] [2021-07-05 07:57:54,020 INFO L425 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-05 07:57:54,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-05 07:57:54,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-05 07:57:54,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-05 07:57:54,021 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 07:59:16,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-05 07:59:16,130 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2021-07-05 07:59:16,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-05 07:59:16,130 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2021-07-05 07:59:16,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-05 07:59:16,131 INFO L225 Difference]: With dead ends: 23 [2021-07-05 07:59:16,131 INFO L226 Difference]: Without dead ends: 0 [2021-07-05 07:59:16,131 INFO L795 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 73.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-05 07:59:16,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-05 07:59:16,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-05 07:59:16,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 07:59:16,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-05 07:59:16,132 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2021-07-05 07:59:16,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-05 07:59:16,132 INFO L442 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-05 07:59:16,132 INFO L443 AbstractCegarLoop]: Interpolant automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-05 07:59:16,132 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-05 07:59:16,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-05 07:59:16,132 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-07-05 07:59:16,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 07:59:16,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 07:59:16,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 07:59:16,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-07-05 07:59:16,290 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2021-07-05 07:59:16,411 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-07-05 07:59:16,411 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 07:59:16,411 INFO L765 garLoopResultBuilder]: At program point L56(lines 19 57) the Hoare annotation is: true [2021-07-05 07:59:16,412 INFO L762 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-07-05 07:59:16,412 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-07-05 07:59:16,412 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-07-05 07:59:16,412 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-07-05 07:59:16,412 INFO L762 garLoopResultBuilder]: For program point L12(lines 12 15) no Hoare annotation was computed. [2021-07-05 07:59:16,412 INFO L758 garLoopResultBuilder]: At program point L12-2(lines 40 41) the Hoare annotation is: (let ((.cse0 (mod ULTIMATE.start_main_~y~0 4294967296)) (.cse3 (mod ULTIMATE.start_main_~x~0 4294967296)) (.cse2 (mod ULTIMATE.start_main_~a~0 4294967296)) (.cse1 (mod ULTIMATE.start_main_~b~0 4294967296))) (and (<= .cse0 1) (<= 1 .cse0) (<= .cse1 1) (= (mod (+ (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~u~0) (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~v~0)) 4294967296) (mod (* (* ULTIMATE.start_main_~a~0 2) ULTIMATE.start_main_~b~0) 4294967296)) (<= .cse2 1) (= 1 ULTIMATE.start___VERIFIER_assert_~cond) (<= 1 .cse3) (<= .cse3 1) (<= 1 .cse2) (= ULTIMATE.start_assume_abort_if_not_~cond 1) (<= 1 .cse1))) [2021-07-05 07:59:16,412 INFO L762 garLoopResultBuilder]: For program point L12-3(lines 12 15) no Hoare annotation was computed. [2021-07-05 07:59:16,412 INFO L762 garLoopResultBuilder]: For program point L8(lines 8 10) no Hoare annotation was computed. [2021-07-05 07:59:16,412 INFO L762 garLoopResultBuilder]: For program point L8-1(lines 8 10) no Hoare annotation was computed. [2021-07-05 07:59:16,412 INFO L765 garLoopResultBuilder]: At program point L12-5(lines 11 17) the Hoare annotation is: true [2021-07-05 07:59:16,412 INFO L762 garLoopResultBuilder]: For program point L8-2(lines 8 10) no Hoare annotation was computed. [2021-07-05 07:59:16,412 INFO L762 garLoopResultBuilder]: For program point L8-3(lines 8 10) no Hoare annotation was computed. [2021-07-05 07:59:16,412 INFO L762 garLoopResultBuilder]: For program point L8-4(lines 8 10) no Hoare annotation was computed. [2021-07-05 07:59:16,412 INFO L762 garLoopResultBuilder]: For program point L8-5(lines 8 10) no Hoare annotation was computed. [2021-07-05 07:59:16,412 INFO L762 garLoopResultBuilder]: For program point L37-2(lines 37 50) no Hoare annotation was computed. [2021-07-05 07:59:16,413 INFO L762 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-07-05 07:59:16,413 INFO L762 garLoopResultBuilder]: For program point L13(lines 13 14) no Hoare annotation was computed. [2021-07-05 07:59:16,413 INFO L762 garLoopResultBuilder]: For program point L13-1(lines 13 14) no Hoare annotation was computed. [2021-07-05 07:59:16,413 INFO L762 garLoopResultBuilder]: For program point L9(line 9) no Hoare annotation was computed. [2021-07-05 07:59:16,413 INFO L762 garLoopResultBuilder]: For program point L9-2(line 9) no Hoare annotation was computed. [2021-07-05 07:59:16,413 INFO L762 garLoopResultBuilder]: For program point L9-4(line 9) no Hoare annotation was computed. [2021-07-05 07:59:16,413 INFO L762 garLoopResultBuilder]: For program point L9-6(line 9) no Hoare annotation was computed. [2021-07-05 07:59:16,413 INFO L762 garLoopResultBuilder]: For program point L9-8(line 9) no Hoare annotation was computed. [2021-07-05 07:59:16,413 INFO L762 garLoopResultBuilder]: For program point L9-10(line 9) no Hoare annotation was computed. [2021-07-05 07:59:16,413 INFO L762 garLoopResultBuilder]: For program point L43(lines 43 49) no Hoare annotation was computed. [2021-07-05 07:59:16,413 INFO L758 garLoopResultBuilder]: At program point L43-2(lines 37 50) the Hoare annotation is: (let ((.cse0 (mod ULTIMATE.start_main_~b~0 4294967296))) (and (<= .cse0 1) (= (mod (+ (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~u~0) (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~v~0)) 4294967296) (mod (* (* ULTIMATE.start_main_~a~0 2) ULTIMATE.start_main_~b~0) 4294967296)) (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~u~0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~v~0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~x~0) (<= (mod ULTIMATE.start_main_~x~0 4294967296) 1) (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) (<= 1 (mod ULTIMATE.start_main_~a~0 4294967296)) (= ULTIMATE.start_assume_abort_if_not_~cond 1) (<= 1 .cse0))) [2021-07-05 07:59:16,435 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-07-05 07:59:16,614 WARN L471 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-05 07:59:16,614 WARN L182 nStatisticsGenerator]: total relevant statements: 0 [2021-07-05 07:59:16,614 INFO L303 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION was SAFE (2/2) [2021-07-05 07:59:16,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.07 07:59:16 BoogieIcfgContainer [2021-07-05 07:59:16,632 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-05 07:59:16,633 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-05 07:59:16,633 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-05 07:59:16,633 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-05 07:59:16,634 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.07 07:57:48" (3/4) ... [2021-07-05 07:59:16,637 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-07-05 07:59:16,648 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2021-07-05 07:59:16,649 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-07-05 07:59:16,649 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-07-05 07:59:16,650 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 07:59:16,650 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-07-05 07:59:16,693 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-05 07:59:16,694 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-05 07:59:16,694 INFO L168 Benchmark]: Toolchain (without parser) took 88773.97 ms. Allocated memory was 65.0 MB in the beginning and 96.5 MB in the end (delta: 31.5 MB). Free memory was 45.2 MB in the beginning and 32.7 MB in the end (delta: 12.5 MB). Peak memory consumption was 43.7 MB. Max. memory is 16.1 GB. [2021-07-05 07:59:16,695 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 65.0 MB. Free memory is still 45.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 07:59:16,695 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.96 ms. Allocated memory is still 65.0 MB. Free memory was 45.1 MB in the beginning and 35.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-07-05 07:59:16,695 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.70 ms. Allocated memory is still 65.0 MB. Free memory was 35.1 MB in the beginning and 48.3 MB in the end (delta: -13.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-05 07:59:16,695 INFO L168 Benchmark]: Boogie Preprocessor took 20.25 ms. Allocated memory is still 65.0 MB. Free memory was 48.3 MB in the beginning and 47.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-05 07:59:16,695 INFO L168 Benchmark]: RCFGBuilder took 370.40 ms. Allocated memory is still 65.0 MB. Free memory was 47.0 MB in the beginning and 31.6 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-07-05 07:59:16,695 INFO L168 Benchmark]: TraceAbstraction took 88065.29 ms. Allocated memory was 65.0 MB in the beginning and 96.5 MB in the end (delta: 31.5 MB). Free memory was 31.2 MB in the beginning and 35.7 MB in the end (delta: -4.6 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. [2021-07-05 07:59:16,696 INFO L168 Benchmark]: Witness Printer took 61.11 ms. Allocated memory is still 96.5 MB. Free memory was 35.7 MB in the beginning and 32.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-05 07:59:16,696 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 65.0 MB. Free memory is still 45.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 175.96 ms. Allocated memory is still 65.0 MB. Free memory was 45.1 MB in the beginning and 35.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.70 ms. Allocated memory is still 65.0 MB. Free memory was 35.1 MB in the beginning and 48.3 MB in the end (delta: -13.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.25 ms. Allocated memory is still 65.0 MB. Free memory was 48.3 MB in the beginning and 47.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 370.40 ms. Allocated memory is still 65.0 MB. Free memory was 47.0 MB in the beginning and 31.6 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 88065.29 ms. Allocated memory was 65.0 MB in the beginning and 96.5 MB in the end (delta: 31.5 MB). Free memory was 31.2 MB in the beginning and 35.7 MB in the end (delta: -4.6 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. * Witness Printer took 61.11 ms. Allocated memory is still 96.5 MB. Free memory was 35.7 MB in the beginning and 32.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 28 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2632.3ms, OverallIterations: 4, TraceHistogramMax: 2, EmptinessCheckTime: 14.8ms, AutomataDifference: 462.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 132.5ms, InitialAbstractionConstructionTime: 8.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 65 SDtfs, 56 SDslu, 68 SDs, 0 SdLazy, 112 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 151.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 331.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 26.4ms AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 8 NumberOfFragments, 82 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 51.7ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 20 FormulaSimplificationTreeSizeReductionInter, 75.3ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 33.3ms SsaConstructionTime, 165.1ms SatisfiabilityAnalysisTime, 797.4ms InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 402 SizeOfPredicates, 21 NumberOfNonLiveVariables, 292 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION CFG has 1 procedures, 28 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 85347.8ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 1.4ms, AutomataDifference: 82115.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 278.9ms, InitialAbstractionConstructionTime: 0.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 43 SDtfs, 5 SDslu, 14 SDs, 0 SdLazy, 21 SolverSat, 7 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 81909.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 73.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2.4ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 9 NumberOfFragments, 40 HoareAnnotationTreeSize, 4 FomulaSimplifications, 22 FormulaSimplificationTreeSizeReduction, 3.4ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 274.8ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 7.1ms SsaConstructionTime, 19.9ms SatisfiabilityAnalysisTime, 2671.3ms InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 111 SizeOfPredicates, 10 NumberOfNonLiveVariables, 97 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((((((y % 4294967296 <= 1 && 1 <= y % 4294967296) && b % 4294967296 <= 1) && (x * u + y * v) % 4294967296 == a * 2 * b % 4294967296) && a % 4294967296 <= 1) && 1 == cond) && 1 <= x % 4294967296) && x % 4294967296 <= 1) && 1 <= a % 4294967296) && cond == 1) && 1 <= b % 4294967296 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: ((((((((b % 4294967296 <= 1 && (x * u + y * v) % 4294967296 == a * 2 * b % 4294967296) && b == u) && a == v) && a == x) && x % 4294967296 <= 1) && b == y) && 1 <= a % 4294967296) && cond == 1) && 1 <= b % 4294967296 RESULT: Ultimate proved your program to be correct! [2021-07-05 07:59:16,746 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...